What percent of the earths water supply is readily available as liquid freshwater?

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal